diff options
Diffstat (limited to 'src/vendorcode/amd/cimx/sb800/ECfanc.c')
| -rw-r--r-- | src/vendorcode/amd/cimx/sb800/ECfanc.c | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/src/vendorcode/amd/cimx/sb800/ECfanc.c b/src/vendorcode/amd/cimx/sb800/ECfanc.c new file mode 100644 index 0000000000..0b198c863e --- /dev/null +++ b/src/vendorcode/amd/cimx/sb800/ECfanc.c @@ -0,0 +1,195 @@ +/*
+ *****************************************************************************
+ *
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2010 Advanced Micro Devices, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ * ***************************************************************************
+ *
+ */
+
+
+#include "SBPLATFORM.h"
+#include "ECfan.h"
+/**
+ * Table for Function Number
+ *
+ *
+ *
+ *
+ */
+UINT8 FunctionNumber[] =
+{
+ Fun_81,
+ Fun_83,
+ Fun_85,
+ Fun_89,
+};
+
+/**
+ * Table for Max Thermal Zone
+ *
+ *
+ *
+ *
+ */
+UINT8 MaxZone[] =
+{
+ 4,
+ 4,
+ 4,
+ 4,
+};
+
+/**
+ * Table for Max Register
+ *
+ *
+ *
+ *
+ */
+UINT8 MaxRegister[] =
+{
+ MSG_REG9,
+ MSG_REGB,
+ MSG_REG9,
+ MSG_REGA,
+};
+
+/*-------------------------------------------------------------------------------
+;Procedure: IsZoneFuncEnable
+;
+;Description: This routine will check every zone support function with BitMap from user define
+;
+;
+;Exit: None
+;
+;Modified: None
+;
+;-----------------------------------------------------------------------------
+*/
+BOOLEAN
+IsZoneFuncEnable (
+ UINT16 Flag,
+ UINT8 func,
+ UINT8 Zone
+)
+{
+ return (BOOLEAN)(((Flag >> (func *4)) & 0xF) & ((UINT8 )1 << Zone));
+}
+
+/*-------------------------------------------------------------------------------
+;Procedure: sbECfancontrolservice
+;
+;Description: This routine service EC fan policy
+;
+;
+;Exit: None
+;
+;Modified: None
+;
+;-----------------------------------------------------------------------------
+*/
+VOID
+sbECfancontrolservice (
+ IN AMDSBCFG* pConfig
+ )
+{
+ UINT8 ZoneNum;
+ UINT8 FunNum;
+ UINT8 RegNum;
+ UINT8 * CurPoint;
+ UINT8 FunIndex;
+ BOOLEAN IsSendEcMsg;
+
+ CurPoint = &pConfig->Pecstruct.MSGFun81zone0MSGREG0 + MaxZone[0] * (MaxRegister[0] - MSG_REG0 + 1);
+ for ( FunIndex = 1; FunIndex <= 3; FunIndex++ ) {
+ FunNum = FunctionNumber[FunIndex];
+ for ( ZoneNum = 0; ZoneNum < MaxZone[FunIndex]; ZoneNum++ ) {
+ IsSendEcMsg = IsZoneFuncEnable (pConfig->Pecstruct.IMCFUNSupportBitMap, FunIndex, ZoneNum);
+ for ( RegNum = MSG_REG0; RegNum <= MaxRegister[FunIndex]; RegNum++ ) {
+ if (IsSendEcMsg) {
+ WriteECmsg (RegNum, AccWidthUint8, CurPoint); //
+ }
+ CurPoint += 1;
+ }
+ if (IsSendEcMsg) {
+ WriteECmsg (MSG_SYS_TO_IMC, AccWidthUint8, &FunNum); // function number
+ WaitForEcLDN9MailboxCmdAck ();
+ }
+ }
+ }
+ CurPoint = &pConfig->Pecstruct.MSGFun81zone0MSGREG0;
+ for ( FunIndex = 0; FunIndex <= 0; FunIndex++ ) {
+ FunNum = FunctionNumber[FunIndex];
+ for ( ZoneNum = 0; ZoneNum < MaxZone[FunIndex]; ZoneNum++ ) {
+ IsSendEcMsg = IsZoneFuncEnable (pConfig->Pecstruct.IMCFUNSupportBitMap, FunIndex, ZoneNum);
+ for ( RegNum = MSG_REG0; RegNum <= MaxRegister[FunIndex]; RegNum++ ) {
+ if (IsSendEcMsg) {
+ WriteECmsg (RegNum, AccWidthUint8, CurPoint); //
+ }
+ CurPoint += 1;
+ }
+ if (IsSendEcMsg) {
+ WriteECmsg (MSG_SYS_TO_IMC, AccWidthUint8, &FunNum); // function number
+ WaitForEcLDN9MailboxCmdAck ();
+ }
+ }
+ }
+}
+
+/*-------------------------------------------------------------------------------
+;Procedure: SBIMCFanInitializeS3
+;
+;Description: This routine initialize IMC fan when S3 resume
+;
+;
+;Exit: None
+;
+;Modified: None
+;
+;-----------------------------------------------------------------------------
+*/
+VOID
+SBIMCFanInitializeS3 (VOID)
+{
+ UINT8 dbPortStatus,Value80,Value82,Value83,Value84;
+
+ getChipSysMode (&dbPortStatus);
+ if ((dbPortStatus & ChipSysEcEnable) != 0) {
+ Value80 = 0x98;
+ Value82 = 0x00;
+ Value83 = 0x02;
+ Value84 = 0x00;
+
+ // Clear MSG_REG0 to receive acknowledge byte
+ WriteECmsg (MSG_REG0, AccWidthUint8, &Value82);
+
+ // Set MSG_REG1
+ // 0x02 - Notify IMC that the system is waken from any sleep state
+ WriteECmsg (MSG_REG1, AccWidthUint8, &Value83);
+
+ // Set timeout counter value to 00 which disables watchdog timer
+ WriteECmsg (MSG_REG2, AccWidthUint8, &Value84);
+
+ // Write mailbox function number to kick off the command
+ // 0x98 - IMC System Sleep and Wake Services
+ WriteECmsg (MSG_SYS_TO_IMC, AccWidthUint8, &Value80);
+
+ // Read acknowledge byte to make sure function is executed properly
+ WaitForEcLDN9MailboxCmdAck ();
+ }
+}
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